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<h1>22. Virtuoso Functions Guide - HS_Resolve</h1>
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<h2>HS_Resolve</h2>
<div class="refpurpose">Returns URL that represents the given DOI</div>
<div class="funcsynopsis">
<span class="funcdef">string <span class="function">HS_Resolve</span>
</span>
(<span class="paramdef">in <span class="parameter">doi_val</span> string</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>Returns URL that represents the given DOI. The function is installed from the hslookup plugin which uses http://www.handle.net/.</p>
<p>Note that you need to have in your Virtuoso database ini file
in section Plugins added the hslookup.dll file, which location should be in the plugins folder under your
Virtuoso server installation. For ex:</p>
<div>
<pre class="screen">
[Plugins]
LoadPath = ./plugin
...
Load6 = plain,hslookup
</pre>
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</div>
<div class="refsect1">
<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">doi_val – </span>
DOI value
</div>
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<div class="refsect1">
<div class="refsect1title">Return Values</div>
<p>A string of URL that represents the given DOI.</p>
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<div class="refsect1title">Examples</div>
<a name="ex_hs_resolve" />
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<div class="exampletitle">Simple example</div>
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<pre class="screen">
SQL> select HS_Resolve('10.1038/35057062');
callret
VARCHAR
_______________________________________________________________________________
http://www.nature.com/doifinder/10.1038/35057062
1 Rows. -- 22 msec.
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